SIMCOM SIM20 Short-Range RF Module

SIM20
General features

•    Dimensions: 21*13.8*2.6 mm

•    Weight: 1.5 g

•    Supply voltage range: 3.0~3.6 V

•    Normal operation temperature: -40℃ to +80 ℃

•    Storage temperature: -45℃ to +90  ℃

•    Humidity: 10%~90%

•    Low power consumption

•    Flexible software programmable setting option

•    Control via AT commands (SIMCOM enhanced AT Commands)

Specifications for SRD RF

•    Maximum transmit power: 18 dBm (except SIM20-433)

•    Receive sensitivity: -118dBm @2400bps

•    Transmission distance:1500 Meters @9600bps (SIM20-A, open sky)

•    Frequency bands support as below:

 -SIM20-A: 433~434.79MHz

 -SIM20-B: 863~870MHz

 -SIM20-C :902~928MHz

 -SIM20-470 :470.00~510.00MHz

 -SIM20-433 :433.05~434.79MHz

 -SIM20-868 :868.00~869.70MHz

•    Modulation schemes: GFSK

•    Frequency interval: 100KHz

•    Sleep current consumption: 1uA

•    Rx current consumption: 26mA

•    Tx current consumption: 80mA@18dBm, peak value

•    Support peer to peer transmission and broadcasting transmission

•    Adapt to mass data transmission